notifications: add missed call, new picture notifications

Change-Id: I34d59c2e1ab7b452e233521b6ee6fc6d10efb220
diff --git a/ring-android/app/src/main/res/values/strings.xml b/ring-android/app/src/main/res/values/strings.xml
index 66ca03f..371c84a 100644
--- a/ring-android/app/src/main/res/values/strings.xml
+++ b/ring-android/app/src/main/res/values/strings.xml
@@ -103,6 +103,7 @@
     <string name="notif_current_call_title">Current call with %1$s</string>
     <string name="notif_current_call">Current call</string>
     <string name="notif_channel_calls">Calls</string>
+    <string name="notif_channel_missed_calls">Missed calls</string>
     <string name="notif_channel_messages">Messages</string>
     <string name="notif_channel_requests">Requests</string>
     <string name="notif_channel_file_transfer">File transfer</string>
@@ -111,6 +112,7 @@
     <string name="notif_incoming_file_transfer">Someone wants to send you a file</string>
     <string name="notif_outgoing_file_transfer_title">Sending file to %1$s</string>
     <string name="notif_outgoing_file_transfer">Someone wants to send you a file</string>
+    <string name="notif_incoming_picture">Picture from %1$s</string>
     <string name="action_open">Open</string>
 
     <!-- Call Fragment -->